CN108372810B - Passenger car seat framework - Google Patents
Passenger car seat framework Download PDFInfo
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- CN108372810B CN108372810B CN201810129148.3A CN201810129148A CN108372810B CN 108372810 B CN108372810 B CN 108372810B CN 201810129148 A CN201810129148 A CN 201810129148A CN 108372810 B CN108372810 B CN 108372810B
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- seat
- backrest
- mounting
- flanging
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/242—Bus seats
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- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention discloses a passenger car seat framework, which comprises two seat frame side plates and a backrest framework, wherein the seat frame side plates and the backrest framework are arranged oppositely, the left side and the right side of the lower part of the backrest framework are respectively connected with the seat frame side plates, the backrest framework comprises a backrest framework frame body, the backrest framework frame body comprises backrest side pipes which are vertically arranged oppositely and an upper cross beam which is connected with the upper ends of the two backrest side pipes, a head supporting seat and an L-shaped handle mounting seat are arranged between the upper cross beam and the backrest side pipes, the rear part of the seat frame side plates is connected with the lower part of the backrest side pipes, and a mounting mechanism for assembling a seat side sliding assembly is integrated on the seat frame side plates. The seat has the beneficial effects that the plurality of functional part mounting parts are integrated through reasonable design, the light alloy is used, the reasonable design is adopted, the strength is reliable, the whole structure is compact, the material consumption is reduced, and the seat is light.
Description
Technical Field
The invention relates to a passenger car seat structural component, in particular to a passenger car seat framework.
Background
Passenger cars are an important component of public transportation. With the progress of urban design, the number of buses is increasing. The traditional passenger car adopts the internal combustion engine as power, so that the problems of fuel consumption and waste gas emission of a large number of passenger cars cannot be ignored; in recent years, new energy buses use electric drive or hybrid oil-electric drive as power, and are more sensitive to the dead weight of the buses due to the limitation of engine power and battery cruising ability. Reducing dead weight is one way to reduce energy consumption in passenger vehicles. Whichever power mode is adopted, the light-weight passenger car is a real demand, and the development of new materials and new technologies provides possibility for the light-weight development of the passenger car.
Seats are a relatively large number of components on passenger vehicles and generally include a seat frame, which includes a back frame and a seat frame, on which various connection mechanisms and mounting mechanisms for the functional modules are provided, foam, webbing, and other functional modules such as seat back-and-forth adjustment, lateral sliding, height adjustment, and the like. Under the premise of ensuring safety and reliability, optimizing the design of the seat framework from the two aspects of structure and materials, reducing the weight of the seat has important significance for realizing the light weight of the passenger car, and meanwhile, optimizing the structural design can improve riding comfort.
Disclosure of Invention
In order to solve the technical problems, the invention provides a passenger car seat framework.
The technical proposal is as follows:
the seat framework of the passenger car is characterized by comprising two seat frame side plates and a backrest framework which are arranged opposite to each other, wherein the left side and the right side of the lower part of the backrest framework are respectively connected with the seat frame side plates;
the backrest framework comprises backrest framework frames, wherein the backrest framework frames comprise backrest side pipes which are vertically and oppositely arranged and an upper cross beam which is connected to the upper ends of the two backrest side pipes;
a head supporting seat and an L-shaped handle mounting seat are arranged between the upper cross beam and the backrest side pipe, the head supporting seat is positioned above the upper cross beam, and the L-shaped handle mounting seat is positioned below the upper cross beam;
the rear part of the seat frame side plate is connected with the lower part of the backrest side pipe.
By adopting the design, the head support seat can provide leaning sites for the heads of passengers, and the L-shaped handle mounting seat provides mounting sites for rear-row handles, so that the whole structure is concise and compact.
As a preferable technical scheme, the seat frame side plate comprises a side plate body, wherein a pin shaft mounting column extending inwards is arranged at the front part of the side plate body, a pin hole is formed in the pin shaft mounting column, and the axial direction of the pin hole is perpendicular to the side plate body;
the upper edge and the lower edge of the side plate body are respectively provided with an upper flanging and a lower flanging on the inward side.
By adopting the design, the novel rotary shaft type casting machine has the advantages that mounting sites can be provided for mounting the functional parts with the rotary shafts, after the side plates are mounted, the space outside the side plates is not occupied, and casting production is conveniently carried out in a mode of demolding from two sides of the side plates.
As a preferable technical scheme, the pin shaft mounting column is cylindrical, and the pin hole is arranged along the axial direction of the pin shaft mounting column;
a transition reinforcing part is arranged between the outer wall of the fixed end of the pin shaft mounting column and the side plate body in a circumferential direction;
the pin shaft mounting column is positioned below the upper flanging, the upper flanging comprises a section of concave part extending downwards, the concave part is positioned on the outer wall of the pin shaft mounting column, and the upper flanging is connected with the pin shaft mounting column through the concave part;
and a transition connecting strip is arranged between the concave part and the outer wall of the pin shaft mounting column.
By adopting the design, the hinge pin mounting seat has the advantages that the connection strength between the hinge pin mounting seat and the side plate body is improved through the connection of the transition reinforcing part, the concave part and the hinge pin mounting seat and the transition connecting strip, and the reliability is enhanced.
As a preferable technical scheme, a fracture is arranged in the middle of the downward flanging, a sliding mechanism mounting seat is arranged at the fracture, and a sliding guide seat is arranged below the sideboard body;
the lower flanges at two sides of the fracture are respectively connected with a support lug, the upper edges of the support lugs are connected with the edges of the fracture of the lower flanges, the support lugs are respectively provided with a sliding mechanism mounting hole, and the support lugs form the sliding mechanism mounting seat;
the lower edge of the side plate body extends downwards to form a guide plate, two guide rod mounting holes are formed in the guide plate, the two guide rod mounting holes are distributed on the front side and the rear side of the sliding mechanism mounting seat, and the guide plate forms the sliding guide seat;
the outer side edge of the supporting lug is abutted against the guide plate and connected with the guide plate;
the front part and the rear part of the downward flanging are respectively provided with a widened area, and the two widened areas are respectively provided with a seat board mounting hole.
By adopting the design, the seat frame side plate has the advantages that the seat frame side plate is integrated with the relevant installation structure for realizing the lateral sliding of the seat, the structure is compact, the reliability of installation connection between the seat frame side plate and the supporting seat below is ensured by locally increasing the size of the seat plate installation hole, and meanwhile, the reasonable increase of the weight of the seat frame side plate is controlled, so that the seat frame side plate meets the requirement of light-weight design and is convenient to form.
As a preferred technical scheme, the head support seat comprises a head support column and an L-shaped flanging, the head support column extends upwards from the middle of the upper beam, the L-shaped flanging is connected between the head support column and the upper beam as well as between the head support column and the backrest side pipe, the L-shaped flanging extends forwards, the L-shaped flanging comprises a transverse section arranged along the upper beam and a vertical section arranged along the backrest side pipe, the transverse section is positioned above the upper beam, the inner end of the transverse section is connected with the head support column, the outer end of the transverse section is connected with the upper end of the vertical section, the rear edge of the vertical section is connected with the backrest side pipe, and the transverse section and the vertical section are in smooth transition connection;
the vertical section of the L-shaped flanging is positioned at the upper part of the backrest side pipe, and the vertical section is outwards unfolded while extending forwards.
By adopting the design, the head support column and the L-shaped flanging jointly form the support structure at the back and the side of the head, so that leaning positions are provided for the head of a passenger, and the riding comfort is improved.
As the preferable technical scheme, a safety belt hanging seat is arranged on the vertical section of the L-shaped flanging;
the safety belt hanging seat extends backwards to the backrest framework frame body and is connected with the backrest framework frame body;
the safety belt hanging seat extends to two sides of the head lateral supporting plate, the front part of the safety belt hanging seat is positioned on the inner side of the head lateral supporting plate, and the rear part of the safety belt hanging seat is positioned on the outer side of the head lateral supporting plate;
the safety belt hanging seat is provided with a safety belt fixing hole in a penetrating manner along the left-right direction;
the safety belt hanging seat is internally provided with a weight reducing cavity with a backward opening.
By adopting the design, the safety belt hanging structure is integrated on the head supporting structure, the connection strength of the safety belt hanging seat and the backrest framework frame body is improved through reasonable design, the weight of the safety belt hanging part is reduced through the weight reduction cavity, meanwhile, the occupied space of the safety belt hanging seat is reduced, and the whole structure is compact.
As the preferable technical scheme, a flanging reinforcing plate is arranged between the transverse section of the L-shaped flanging and the upper cross beam, and the periphery of the flanging reinforcing plate is respectively connected with the transverse section, the upper cross beam, the head support column and the vertical section.
By adopting the design, the novel back rest frame has the advantage that the connection strength among the L-shaped flanging, the head support column and the back rest frame body is improved.
As the preferable technical scheme, the free end of the vertical arm of the L-shaped handle mounting seat is connected with the lower edge of the upper cross beam, the free end of the cross arm of the L-shaped handle mounting seat is connected with the backrest side tube, and the L-shaped handle mounting seat is provided with a handle mounting hole.
By adopting the design, the L-shaped handle mounting seat has the advantage of simple and reliable structure.
As a preferable technical scheme, the backrest side pipe and the upper cross beam are formed by bending a grooved pipe, the opening of the grooved pipe is backward, the middle section of the grooved pipe is horizontally arranged to form the upper cross beam, two ends of the grooved pipe are respectively bent downwards to form the backrest side pipe, and the grooved pipe is internally provided with a reinforcing rib;
the head support column is of a groove-shaped structure with a backward opening, and the front side surface of the head support column is level with the front surfaces of the backrest side pipe and the upper cross beam;
the front side surface of the L-shaped handle mounting seat is flat with the front side surface of the upper cross beam, and the front side surface of the L-shaped handle mounting seat is flat with the front side surface of the upper part of the backrest side pipe;
the rear side surface of the flanging reinforcing plate is leveled with the rear side notch of the head support column.
By adopting the design, the novel backrest frame has the advantages that the materials are reduced on the basis of ensuring the structural strength of the backrest frame body, the L-shaped handle mounting seat and the head support column, and meanwhile, the novel backrest frame is convenient to form and manufacture.
As the preferable technical scheme, the head support column is provided with a backrest upper connecting hole;
the lower parts of the two backrest side pipes are connected with a lower cross beam, the lower cross beam is an arc-shaped plate which is bent backwards, a reinforcing raised line is arranged along the length direction of the lower cross beam, the lower cross beam is provided with a mounting lug, and the mounting lug is provided with a backrest lower connecting hole;
the waist mounting plate is further connected to the middle of the backrest side pipes, two ends of the waist mounting plate are connected to the rear edges of the backrest side pipes respectively, raised strips are arranged in the middle of the waist mounting plate along the length direction of the waist mounting plate, the raised strips divide the waist mounting plate into upper portions and lower portions, waist mounting plate upper portions are provided with waist plate mounting holes, and waist plate hanging holes are formed in the lower portions of the waist mounting plate.
By adopting the design, the back plate assembly has the advantage of being convenient to install on the back rest framework.
The beneficial effects are that: the invention has the beneficial effects that the installation parts of the functional parts are integrated through reasonable design, the light alloy is used, the reasonable design is adopted, the strength is reliable, the whole structure is compact, the material consumption is reduced, and the weight of the seat is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic perspective view of a side plate of a seat frame;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a left side view of FIG. 3;
FIG. 6 is an enlarged view of portion n of FIG. 2;
FIG. 7 is a schematic perspective view of a back frame;
FIG. 8 is a front view of the back frame;
FIG. 9 is an enlarged view of section m of FIG. 7;
FIG. 10 is a rear view of FIG. 8;
FIG. 11 is a cross-sectional view taken along line A-A of FIG. 8;
FIG. 12 is a section B-B of FIG. 10;
FIG. 13 is a left side view of FIG. 8;
fig. 14 is a cross-sectional view taken along line C-C of fig. 13.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in fig. 1, a passenger car seat framework comprises two seat frame side plates a and a backrest framework b which are arranged opposite to each other, wherein the left side and the right side of the lower part of the backrest framework b are respectively connected with the seat frame side plates a, the backrest framework b comprises a backrest framework b100, the backrest framework b100 comprises a backrest side pipe b101 which is vertically arranged opposite to each other and an upper beam b102 which is connected to the upper ends of the two backrest side pipes b101, a head support seat b110 and an L-shaped handle mounting seat b130 are arranged between the upper beam b102 and the backrest side pipe b101, the head support seat b110 is positioned above the upper beam b102, and the L-shaped handle mounting seat b130 is positioned below the upper beam b 102. The rear part of the seat frame side plate a is connected with the lower part of the backrest side pipe b 101.
As shown in fig. 2 and 3, the seat frame sideboard a comprises a sideboard body 1, a lower flange 5 is arranged inwards at the lower edge of the sideboard body 1, a fracture is arranged in the middle of the lower flange 5, a sliding mechanism mounting seat is arranged at the fracture, and a sliding guide seat is arranged below the sideboard body 1. The above design provides a structural basis for achieving lateral sliding of the seat.
Specifically, the turndown edges 5 of fracture both sides are connected with journal stirrup 6 respectively, the upper edge of journal stirrup 6 with the fracture department edge connection of turndown edge 5, be equipped with slide mechanism mounting hole 6a on the journal stirrup 6 respectively, journal stirrup 6 constitutes slide mechanism mount pad.
The lower edge of the sideboard body 1 extends downwards to form a guide board 7, two guide rod mounting holes 7a are formed in the guide board 7, the two guide rod mounting holes 7a are distributed on the front side and the rear side of the sliding mechanism mounting seat, and the guide board 7 forms the sliding guide seat.
To strengthen the structural strength of the lugs 6, the outer edges of the lugs 6 bear against the guide plates 7 and are connected thereto.
The rear part of the sideboard body 1 is tilted upwards, and a backrest framework connecting hole 9 is arranged at the tilting section. The upper flange 2 and the lower flange 5 are respectively adapted to the trend of the upper edge and the lower edge of the side plate body 1, and are connected with the front end and the rear end of the side plate body 1. Thus the overall structural strength is improved.
As shown in fig. 2, 4 and 5, the sideboard body 1 is provided with a pin shaft mounting column 4 extending inwards, the pin shaft mounting column 4 is provided with a pin hole 4a, and the axial direction of the pin hole 4a is perpendicular to the sideboard body 1.
The upper edge of the sideboard body 1 is provided with an upward flanging 2 inwards, the pin shaft mounting column 4 is positioned below the upward flanging 2, and the upward flanging 2 is connected with the outer wall of the pin shaft mounting column 4.
The upper flange 2 comprises a section of concave part 3 extending downwards, the concave part 3 falls on the outer wall of the pin shaft mounting column 4, and the upper flange 2 is connected with the pin shaft mounting column 4 through the concave part 3.
As shown in fig. 3 and 6, the pin shaft mounting post 4 has a cylindrical shape, and the pin hole 4a is provided along the axial direction of the pin shaft mounting post 4. In order to enhance the structural strength of the pin shaft mounting post 4 and reduce stress concentration, as shown in fig. 5, a transition reinforcing portion 41 is circumferentially disposed between the outer wall of the fixed end of the pin shaft mounting post 4 and the sideboard body 1, and a transition connecting strip 43 is disposed between the recess portion 3 and the outer wall of the pin shaft mounting post 4.
It can also be seen from fig. 4 that the front and rear parts of the turndown 5 are each provided with a widened region, and that the two widened regions are each provided with a seat plate mounting hole 8, which is designed such that the seat frame side plate can be reliably mounted on the support seat therebelow.
As shown in fig. 7 to 8, the backrest frame b includes a backrest frame 100, the backrest frame 100 includes a backrest side pipe 101 disposed vertically opposite to each other, and an upper beam 102 connected to the upper ends of the two backrest side pipes 101, a lower beam 150 is connected to the lower portions of the two backrest side pipes 101, a waist mounting plate 140 is connected to the middle portions of the two backrest side pipes 101, and two ends of the waist mounting plate 140 are respectively connected to the two backrest side pipes 101.
A head support seat 110 and an L-shaped handle mounting seat 130 are arranged between the upper beam 102 and the backrest side pipe 101, the head support seat 110 is located above the upper beam 102, and the L-shaped handle mounting seat 130 is located below the upper beam 102.
The middle part of the waist mounting plate 140 is provided with a convex strip along the length direction thereof, the convex strip divides the waist mounting plate 140 into an upper part and a lower part, the upper part of the waist mounting plate 140 is provided with a waist mounting hole 141, and the lower part of the waist mounting plate 140 is provided with a waist hanging hole 142.
The lower reinforcement beam 150 is an arc plate bent backward, the lower reinforcement beam 150 is provided with a lower back plate mounting lug 151, the lower back plate mounting lug 151 is provided with a lower back plate connecting hole 152, and a reinforcement convex strip is arranged along the length direction of the lower reinforcement beam 150.
As shown in fig. 9, the head supporting seat 110 includes a head supporting column 111 and an "L" shaped flange 114, the middle of the upper beam 102 extends upwards to form the head supporting column 111, the head supporting column 111 and the backrest side tube 101 are connected with the "L" shaped flange 114, the "L" shaped flange 114 extends forwards, the "L" shaped flange 114 includes a transverse section disposed along the upper beam 102 and a vertical section disposed along the backrest side tube 101, the transverse section is located above the upper beam 102, the inner end of the transverse section is connected with the head supporting column 111, the outer end of the transverse section is connected with the upper end of the vertical section, the rear edge of the vertical section is connected with the backrest side tube 101, and the transverse section and the vertical section are in smooth transition connection.
The vertical section of the "L" -shaped flange 114 is located at the upper portion of the back-side tube 101, and is flared while extending forward.
As shown in fig. 8 and 10 to 12, a flange reinforcing plate 115 is provided between the lateral section of the "L" shaped flange 114 and the upper beam 102, and the periphery of the flange reinforcing plate 115 is respectively connected to the lateral section of the "L" shaped flange 114, the upper beam 102, the head support column 111 and the vertical section of the "L" shaped flange 114, specifically, the upper, lower, left and right sides of the flange reinforcing plate are respectively connected to the rear side edge of the lateral section, the rear side edge of the upper beam 102, the rear side edge of the head support column 111 and the rear side edge of the vertical section.
The left and right sides of the backrest skeleton frame 100 are respectively provided with an L-shaped handle mounting seat 130, the free ends of the vertical arms of the L-shaped handle mounting seat 130 are connected with the lower edge of the upper beam 102, the free ends of the cross arms of the L-shaped handle mounting seat 130 are connected with the backrest side pipe 101, and the L-shaped handle mounting seat 130 is provided with handle mounting holes 132.
As shown in fig. 10, the backrest side pipe 101 and the upper beam 102 are formed by bending a grooved pipe, the opening of the grooved pipe is backward, the middle section of the grooved pipe is horizontally arranged to form the upper beam 102, two ends of the grooved pipe are respectively bent downwards to form the backrest side pipe 101, and reinforcing ribs are arranged in the grooved pipe. The head support column 111 has a slot-shaped structure with a backward opening, and the front surface of the head support column 111 is level with the front surface of the upper beam 102; the "L" shaped handle mount 130 is also a slot-shaped structure with a rearward opening, the front surface of the "L" shaped handle mount 130 is flat with the front surface of the upper beam 102, and the front surface of the "L" shaped handle mount 130 is flat with the front surface of the upper portion of the backrest tube 101.
As shown in fig. 10, the bottom of the L-shaped handle mounting seat 130 extends backward to form a handle mounting hole column 131, a reinforcing rib is disposed between the outer wall of the handle mounting hole column 131 and the groove wall of the L-shaped handle mounting seat 130, and a handle mounting hole 132 axially penetrates through the handle mounting hole column 131.
As shown in fig. 13, the backrest side 101 has an arc shape corresponding to the cervical shoulder segment of the human spine.
As shown in fig. 13 and 14, the bottom of the head support column 111 extends backward to form a back plate mounting column 112, a reinforcing rib is disposed between the outer wall of the back plate mounting column 112 and two side walls of the groove structure, and an upper back plate upper connecting hole 113 axially penetrates through the back plate mounting column 112.
As shown in fig. 11 to 12, the rear side surface of the turn-up reinforcing plate 115 is flush with the rear side notch of the head support column 111, so that the connection portion of the turn-up reinforcing plate 115 adjacent to the periphery thereof constitutes a three-dimensional connection structure having a higher strength than the generally planar structure.
As shown in fig. 9, a seat belt hanging seat 120 is provided on a vertical section of the L-shaped flange 114, and the seat belt hanging seat 120 extends backward to the back frame body 100 and is connected thereto. In order to improve the connection strength and save space, the seat belt hanging seat 120 extends to two sides of the vertical section of the "L" shaped flange 114, the seat belt hanging seat 120 passes through the vertical section of the "L" shaped flange 114, the front part thereof is located inside the vertical section of the "L" shaped flange 114, and the rear part thereof is located outside the vertical section of the "L" shaped flange 114. The belt hanging seat 120 is provided with a belt fixing hole 121 extending therethrough in the left-right direction.
As shown in fig. 14, the belt hooking seat 120 has a weight-reducing chamber formed therein and opened backward, which is advantageous in terms of weight reduction and also in terms of demolding in the front-rear direction during casting production.
The middle part of the upper beam 102 is provided with two head support columns 111 side by side upwards, one L-shaped flanging 114 and a flanging reinforcing plate 115 are respectively arranged between each head support column 111 and the backrest side pipe 101 on the same side, and the safety belt hanging seat 120 is arranged on any L-shaped flanging 114.
The middle part of the upper beam 102 and the backrest side pipes 101 on both sides are respectively provided with an L-shaped handle mounting seat 130.
In the whole, the seat frame side plate and the backrest framework b are respectively formed integrally, and then assembled, and the materials of the seat frame side plate and the backrest framework b are magnesium alloy, and specifically, casting molding can be used.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a passenger train seat skeleton which characterized in that: the seat frame comprises two seat frame side plates (a) and a backrest framework (b) which are arranged oppositely, wherein the left side and the right side of the lower part of the backrest framework (b) are respectively connected with the seat frame side plates (a);
the seat frame side plate (a) and the backrest framework (b) are respectively integrally formed and then assembled;
the backrest framework (b) comprises a backrest framework frame body (b 100), wherein the backrest framework frame body (b 100) comprises backrest side pipes (b 101) which are vertically arranged oppositely and an upper beam (b 102) connected to the upper ends of the two backrest side pipes (b 101);
a head support seat (b 110) and an L-shaped handle mounting seat (b 130) are arranged between the upper beam (b 102) and the backrest side pipe (b 101), the head support seat (b 110) is positioned above the upper beam (b 102), and the L-shaped handle mounting seat (b 130) is positioned below the upper beam (b 102);
the rear part of the seat frame side plate (a) is connected with the lower part of the backrest side pipe (b 101);
the head support seat (b 110) comprises a head support column (b 111) and an L-shaped flanging (b 114), the middle part of the upper cross beam (b 102) is upwards extended and provided with the head support column (b 111), the L-shaped flanging (b 114) is connected between the head support column (b 111) and the upper cross beam (b 102) and the backrest side tube (b 101), the L-shaped flanging (b 114) is forwards extended, the L-shaped flanging (b 114) comprises a transverse section arranged along the upper cross beam (b 102) and a vertical section arranged along the backrest side tube (b 101), the transverse section is positioned above the upper cross beam (b 102), the inner end of the transverse section is connected with the head support column (b 111), the outer end of the transverse section is connected with the upper end of the vertical section, the rear edge of the vertical section is connected with the backrest side tube (b 101), and the transverse section and the vertical section are in transition connection;
the head support column (b 111) and the L-shaped flanging (b 114) jointly form a support structure at the back and the side of the head, and a leaning position is provided for the head of a passenger;
the vertical section of the L-shaped flanging (b 114) is positioned at the upper part of the backrest side pipe (b 101) and is unfolded outwards while extending forwards;
a safety belt hanging seat (b 120) is arranged on the vertical section of the L-shaped flanging (b 114);
the seat belt hanging seat (b 120) extends backwards to the backrest framework (b 100) and is connected with the backrest framework;
the seat belt hanging seat (b 120) extends to two sides of the L-shaped flanging (b 114), the front part of the seat belt hanging seat is positioned at the inner side of the L-shaped flanging (b 114), and the rear part of the seat belt hanging seat is positioned at the outer side of the L-shaped flanging (b 114);
a safety belt fixing hole (b 121) is formed in the safety belt hanging seat (b 120) in a penetrating manner along the left-right direction;
a weight-reducing cavity which is opened backwards is arranged in the safety belt hanging seat (b 120).
2. A passenger car seat frame as set forth in claim 1, wherein: the seat frame side plate (a) comprises a side plate body (a 1), a pin shaft mounting column (a 4) extending inwards is arranged at the front part of the side plate body (a 1), a pin hole (a 4 a) is formed in the pin shaft mounting column (a 4), and the axial direction of the pin hole (a 4 a) is perpendicular to the side plate body (a 1);
the upper edge and the lower edge of the side plate body (a 1) are respectively provided with an upper flanging (a 2) and a lower flanging (a 5) inwards.
3. A passenger car seat frame as set forth in claim 2, wherein: the pin shaft mounting column (a 4) is cylindrical, and the pin hole (a 4 a) is arranged along the axial direction of the pin shaft mounting column (a 4);
a transition reinforcing part (a 41) is arranged between the outer wall of the fixed end of the pin shaft mounting column (a 4) and the side plate body (a 1) in a circumferential direction;
the pin shaft mounting column (a 4) is positioned below the upper flanging (a 2), the upper flanging (a 2) comprises a section of concave part (a 3) extending downwards, the concave part (a 3) falls on the outer wall of the pin shaft mounting column (a 4), and the upper flanging (a 2) is connected with the pin shaft mounting column (a 4) through the concave part (a 3);
a transitional connecting strip (a 43) is arranged between the concave part (a 3) and the outer wall of the pin shaft mounting column (a 4).
4. A passenger car seat frame according to claim 3, wherein: the middle part of the lower flanging (a 5) is provided with a fracture, a sliding mechanism mounting seat is arranged at the fracture, and a sliding guide seat is arranged below the side plate body (a 1);
the lower flanges (a 5) on two sides of the fracture are respectively connected with a support lug (a 6), the upper edges of the support lugs (a 6) are connected with the edges of the fracture of the lower flanges (a 5), the support lugs (a 6) are respectively provided with a sliding mechanism mounting hole (a 6 a), and the support lugs (a 6) form the sliding mechanism mounting seat;
the lower edge of the side plate body (a 1) extends downwards to form a guide plate (a 7), two guide rod mounting holes (a 7 a) are formed in the guide plate (a 7), the two guide rod mounting holes (a 7 a) are distributed on the front side and the rear side of the sliding mechanism mounting seat, and the guide plate (a 7) forms the sliding guide seat;
the outer side edge of the supporting lug (a 6) is abutted against the guide plate (a 7) and connected with the guide plate;
the front part and the rear part of the turndown edge (a 5) are respectively provided with a widened area, and the two widened areas are respectively provided with a seat board mounting hole (a 8).
5. A passenger car seat frame as set forth in claim 1, wherein: a flanging reinforcing plate (b 115) is arranged between the transverse section of the L-shaped flanging (b 114) and the upper beam (b 102), and the periphery of the flanging reinforcing plate (b 115) is respectively connected with the transverse section, the upper beam (b 102), the head support column (b 111) and the vertical section.
6. A passenger car seat frame as set forth in claim 5, wherein: the free end of the vertical arm of the L-shaped handle mounting seat (b 130) is connected with the lower edge of the upper cross beam (b 102), the free end of the cross arm of the L-shaped handle mounting seat (b 130) is connected with the backrest side tube (b 101), and the L-shaped handle mounting seat (b 130) is provided with a handle mounting hole (b 132).
7. A passenger car seat frame as set forth in claim 6, wherein: the backrest side tube (b 101) and the upper cross beam (b 102) are formed by bending a grooved tube, the opening of the grooved tube is backward, the middle section of the grooved tube is horizontally arranged to form the upper cross beam (b 102), the two ends of the grooved tube are respectively bent downwards to form the backrest side tube (b 101), and the grooved tube is internally provided with a reinforcing rib;
the head support column (b 111) is of a groove-shaped structure with a backward opening, and the front side surface of the head support column (b 111) is level with the front surfaces of the backrest side pipe (b 101) and the upper cross beam (b 102);
the L-shaped handle mounting seat (b 130) is of a groove-shaped structure with a backward opening, the front side surface of the L-shaped handle mounting seat (b 130) is leveled with the front side surface of the upper cross beam (b 102), and the front side surface of the L-shaped handle mounting seat (b 130) is leveled with the front side surface of the upper part of the backrest side pipe (b 101);
the rear side surface of the burring reinforcing plate (b 115) is leveled with the rear side notch of the head support column (b 111).
8. A passenger car seat frame as set forth in claim 7, wherein: the head support column (b 111) is provided with a backrest upper connecting hole (b 113);
the lower parts of the two backrest side pipes (b 101) are connected with a lower cross beam (b 150), the lower cross beam (b 150) is an arc-shaped plate bent backwards, a reinforcing raised line is arranged along the length direction of the lower cross beam (b 150), the lower cross beam (b 150) is provided with a mounting lug (b 151), and the mounting lug (b 151) is provided with a backrest lower connecting hole (b 152);
the waist mounting plate (b 140) is further connected to the middle of the two backrest side pipes (b 101), two ends of the waist mounting plate (b 140) are connected to the rear edges of the two backrest side pipes (b 101) respectively, raised strips are arranged in the middle of the waist mounting plate (b 140) along the length direction of the waist mounting plate, the waist mounting plate (b 140) is divided into an upper portion and a lower portion by the raised strips, waist mounting plate mounting holes (b 141) are formed in the upper portion of the waist mounting plate (b 140), and waist plate hanging holes (b 142) are formed in the lower portion of the waist mounting plate (b 140).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129148.3A CN108372810B (en) | 2018-02-08 | 2018-02-08 | Passenger car seat framework |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129148.3A CN108372810B (en) | 2018-02-08 | 2018-02-08 | Passenger car seat framework |
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| Publication Number | Publication Date |
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| CN108372810A CN108372810A (en) | 2018-08-07 |
| CN108372810B true CN108372810B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810129148.3A Active CN108372810B (en) | 2018-02-08 | 2018-02-08 | Passenger car seat framework |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937393B (en) * | 2021-03-31 | 2023-04-21 | 博格睿(重庆)科技有限公司 | Backrest framework |
Citations (2)
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|---|---|---|---|---|
| CN104163126A (en) * | 2014-06-23 | 2014-11-26 | 苏州中航中振汽车饰件有限公司 | Backrest of automobile seat |
| CN206690937U (en) * | 2017-03-23 | 2017-12-01 | 重庆博奥镁铝金属制造有限公司 | The front-seat integrated backrest frames of automotive seat |
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|---|---|---|---|---|
| DE19907670C1 (en) * | 1999-02-23 | 2000-07-13 | Evobus Gmbh | Bus passenger seat has a tubular frame to form the backrest with a fitted plywood board extending over the frame to carry an elastic head support in a plastics honeycomb structure to cushion the head on a collision |
| DE102013100532B4 (en) * | 2012-01-19 | 2016-06-23 | Grammer Ag | Seat for a passenger vehicle |
| CN204488586U (en) * | 2015-02-13 | 2015-07-22 | 重庆延锋江森汽车部件系统有限公司 | Automotive seat magnesium alloy skeleton |
| CN204870656U (en) * | 2015-08-10 | 2015-12-16 | 浙江奥林车业有限公司 | Iron sheet chair frame |
| CN107444217A (en) * | 2016-05-31 | 2017-12-08 | 长城汽车股份有限公司 | Seat and vehicle |
| CN205890634U (en) * | 2016-07-29 | 2017-01-18 | 重庆博奥镁铝金属制造有限公司 | Car seat frame skeleton assembly |
| CN206485239U (en) * | 2017-01-24 | 2017-09-12 | 重庆延锋安道拓汽车部件系统有限公司 | Low-speed electronic vehicle seats |
| CN107031481B (en) * | 2017-05-11 | 2023-05-23 | 安道拓(重庆)汽车部件有限公司 | Light-weight automobile seat framework |
| CN208021270U (en) * | 2018-02-08 | 2018-10-30 | 重庆博奥镁铝金属制造有限公司 | Bus seat skeleton |
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2018
- 2018-02-08 CN CN201810129148.3A patent/CN108372810B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163126A (en) * | 2014-06-23 | 2014-11-26 | 苏州中航中振汽车饰件有限公司 | Backrest of automobile seat |
| CN206690937U (en) * | 2017-03-23 | 2017-12-01 | 重庆博奥镁铝金属制造有限公司 | The front-seat integrated backrest frames of automotive seat |
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